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local function buildValueArgs(func, object, select)
if not func then
return '', nil
end
local names = {}
local values = {}
local options = {}
if func.argValues then
for i, value in ipairs(func.argValues) do
values[i] = value:getType()
end
end
if func.args then
for i, arg in ipairs(func.args) do
names[#names+1] = arg:getName()
local param = func:findEmmyParamByName(arg:getName())
if param then
values[i] = param:getType()
options[i] = param:getOption()
end
end
end
local strs = {}
local start = 1
if object then
start = 2
end
local max
if func:getSource() then
max = #names
else
max = math.max(#names, #values)
end
for i = start, max do
local name = names[i]
local value = values[i] or 'any'
local option = options[i]
if option and option.optional then
if i > start then
strs[#strs+1] = ' ['
else
strs[#strs+1] = '['
end
end
if i > start then
strs[#strs+1] = ', '
end
if i == select then
strs[#strs+1] = '@ARG'
end
if name then
strs[#strs+1] = name .. ': ' .. value
else
strs[#strs+1] = value
end
if i == select then
strs[#strs+1] = '@ARG'
end
if option and option.optional == 'self' then
strs[#strs+1] = ']'
end
end
if func:hasDots() then
if max > 0 then
strs[#strs+1] = ', '
end
strs[#strs+1] = '...'
end
if options then
for _, option in pairs(options) do
if option.optional == 'after' then
strs[#strs+1] = ']'
end
end
end
local text = table.concat(strs)
local argLabel = {}
for i = 1, 2 do
local pos = text:find('@ARG', 1, true)
if pos then
if i == 1 then
argLabel[i] = pos
else
argLabel[i] = pos - 1
end
text = text:sub(1, pos-1) .. text:sub(pos+4)
end
end
if #argLabel == 0 then
argLabel = nil
end
return text, argLabel
end
local function buildValueReturns(func)
if not func then
return '\n -> any'
end
if not func:get 'hasReturn' then
return ''
end
local strs = {}
if func.returns then
for i, rtn in ipairs(func.returns) do
strs[i] = rtn:getType()
end
end
if #strs == 0 then
strs[1] = 'any'
end
return '\n -> ' .. table.concat(strs, ', ')
end
---@param func emmyFunction
local function buildEnum(func)
if not func then
return nil
end
local params = func:getEmmyParams()
if not params then
return nil
end
local strs = {}
for _, param in ipairs(params) do
local first = true
param:eachEnum(function (enum, option)
if first then
first = false
strs[#strs+1] = ('\n%s:%s'):format(param:getName(), param:getType())
end
strs[#strs+1] = ('\n | %s'):format(enum)
if option and option.comment then
strs[#strs+1] = ' -- ' .. option.comment
end
end)
end
if #strs == 0 then
return nil
end
return table.concat(strs)
end
local function getComment(func)
if not func then
return nil
end
return func:getComment()
end
return function (name, func, object, select)
local args, argLabel = buildValueArgs(func, object, select)
local returns = buildValueReturns(func)
local enum = buildEnum(func)
local comment = getComment(func)
local headLen = #('function %s('):format(name)
local title = ('function %s(%s)%s'):format(name, args, returns)
if argLabel then
argLabel[1] = argLabel[1] + headLen
argLabel[2] = argLabel[2] + headLen
end
return {
label = title,
description = comment,
enum = enum,
argLabel = argLabel,
}
end
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